@-moz-document url-prefix('http://www.google.com/search'),
               url-prefix('http://www.google.com/webhp'),
               url-prefix('http://www.google.com/#hl') {
    #leftnav { display: none !important; }
    #center_col, #foot { margin-left: 0px !important;
                         margin-right: 0px !important; }
    .s { max-width: 60em !important; }
    .tsf-p { max-width: 100% !important; }
}